Seeing an Amazon make the Fire Tablet and you need to give them your e-mail address to setup an account on the Fire Tablet then I don't think it's really that bad.
Spear and Jackson rent out their brand name for a lot of items now and don't have anything to do with the design or manufacture of the items. I belive they only make the actual tools they ar eknown for so things like pressure washers and ladders aren't made by them
6. I would also be worried that they could see everything you printed eg bank statements.
Same could be said anytime you print something if your computer is connected to the internet at the same time.